The stooges' friend Jerry convinces them to buy an insurance policy on Curly and then have him act insane to collect. Moe and Larry put Curly on a leash and take him to the insurance doctor and have him act like a dog. But the plan backfires when the doctor wants to perform a brain operation on Curly. A buddy in the insurance racket tells the Stooges how to collect benefits by claiming Curly is crazy. But the scheme backfires when the doctor wants to operate!